Sexual Reproduc...

During microsporogenesis, meiosis results in the separation of four haploid nuclei into four separate cells which are arranged in a tetrad. In Magnolia, the arrangement of microspores in a tetrad is ________.

In the development of pollen sac, the 'tapetum' refers to the

Considering the structure of monosporic Polygonum type embryo sac, the central cell fuses with the male gamete during fertilisation to form

Which of the following factors is responsible in avoiding self-pollination in Calotropis?

The type of cross-pollination, which is also known as gunpowder mechanism, is commonly seen in which of the following flowering plants?

Entomophilous flowers usually produce specific odour to attract specific insects. Unpleasant smell of flowers of Rafflesia mostly attracts

Which one of the following groups of flowering plants are pollinated by bats?

Which of the following is a more appropriate adaptive characteristic of ornithophilous flowers?

While considering the unique characteristic of double-fertilization in angiosperms, which one of the following statements is not true regarding the post-fertilization changes?

Identify the correct pair of plants which have dicotyledonous exalbuminous seeds.